Proceedings of the New Zealand Weed and Pest Control Conference1976 - Pesticides |
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Page 17
... Division , DSIR , in providing information on the status of the insects collected . Dr J. W. Ashby , Plant Diseases Division , DSIR , provided information on aphids and virus transmission in lucerne . Speci- mens of Apterothrips ...
... Division , DSIR , in providing information on the status of the insects collected . Dr J. W. Ashby , Plant Diseases Division , DSIR , provided information on aphids and virus transmission in lucerne . Speci- mens of Apterothrips ...
Page 231
... Division , DSIR Christchurch Summary The presence of barley stripe mosaic virus in New Zealand is recorded for the ... Division of DSIR were found showing leaf stripe symptoms . These have been confirmed as being due to infection by ...
... Division , DSIR Christchurch Summary The presence of barley stripe mosaic virus in New Zealand is recorded for the ... Division of DSIR were found showing leaf stripe symptoms . These have been confirmed as being due to infection by ...
Page 31
... Division . Legumes are usually sown in rows and the areas are too large for adequate hand or mechanical weed control measures to be effective . Although the recommended chemicals such as 2,4 - DB and MCPB ( Matthews 1975 ) have been ...
... Division . Legumes are usually sown in rows and the areas are too large for adequate hand or mechanical weed control measures to be effective . Although the recommended chemicals such as 2,4 - DB and MCPB ( Matthews 1975 ) have been ...
Contents
Chairmans summary | 1 |
Notillage establishment of lucerne G C Atkinson | 9 |
Insects affecting lucerne seed production | 19 |
Copyright | |
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Common terms and phrases
29th N.Z. Weed activity adults Agric Agricultural Research Centre alachlor aphid application areas assessed asulam atrazine Auckland autumn azinphos-methyl barley grass benomyl BGLA black beetle blue-green lucerne aphid brassicas Canterbury carbofuran chemical chlorpyrifos Christchurch crop cultivars cypermethrin damage diflubenzuron disease DSIR effect emergence ethofumesate fensulfothion field trials foliage fungicides germination gorse granules grass grub growth Hamilton harvest herbicides increased insect insecticides isazophos kg/ha larvae leaf legumes Lincoln linuron litres/ha lucerne lucerne yield maize method mite nematode North Island numbers oats P.O. Box Palmerston North paraquat pasture Pest Control Conf phorate picloram plants plots population post-emergence Proc pyri rates reduced replicates residual resistant Ruakura Ruakura Agricultural Research ryegrass samples season seed seedlings significant significantly soil sowing sown species spray sprayer spring stage summer Table tested treatments triclopyr untreated Weed and Pest weed control weeks weevil Wellington white clover white-fringed weevil Zealand